The lone wolfs howl has long been chosen as a symbol of melancholy and loss. Now researchers have demonstrated that the choice was accurate. Howling is not related to the stress level of the crying canine or the dominance status of the departing wolf

发表于:2018-12-24 / 阅读(28) / 评论(0) 分类 Scientific American(八)月

In many countries, prostate cancer is among the leading causes of cancer deaths in men. Doctors rely on a blood test called PSA (prostate-specific antigen) to screen for the disease. But there are big problems with the PSA test. Now, the researchers

发表于:2019-01-13 / 阅读(40) / 评论(0) 分类 VOA标准英语2010年(十二)月

今天我们要学的词是indicator。 Indicator, 指示,信号。20国集团财长在巴黎开会并达成协议。 The agreement lays out a list of indicators that can be used to monitor the progress made by member countries in reducing imbalanc

发表于:2019-01-25 / 阅读(41) / 评论(0) 分类 英语每日一词

Larry和李华正在乘公共汽车去公园去溜冰。今天李华会学到两个常用语:to level with someone和clueless. (Local traffic) LL: I have to level with you, Li Hua. I'm not very fond

发表于:2019-01-31 / 阅读(56) / 评论(0) 分类 美国之音《流行美语》

Chinese Commerce Minister Gao Hucheng says participants at the meeting agreed that the global economic recovery remains sluggish, trade growth is lingering at a low level, and investment flow has yet to recover to pre-crisis levels. He says G20 count

发表于:2019-02-14 / 阅读(51) / 评论(0) 分类 2016CRI中国国际广播电台

SUVA, Dec. 18 (Xinhua) -- There are 60 typhoid cases in Nanoko, with 29 already hospitalized, according to Fiji's Health Ministry. Senior Health Inspector Paula Laqere said Sunday that the increas means that people are not practicing proper hygiene s

发表于:2019-02-18 / 阅读(47) / 评论(0) 分类 英语新闻